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A horizontal rope with 15 N tension drags a 25 kg box 2.0 m to the left across a horizontal surface.  How much work is done by tension?  How much work is done by gravity?

Question

A horizontal rope with 15 N tension drags a 25 kg box 2.0 m to the left across a horizontal surface.  How much work is done by tension?  How much work is done by gravity?

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Step 1
Given Information 8-
Tension in the yofe
Mass of box (m)= 25 kg
Displacement of box s= am
F IN
25kg
4
S am
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Given Information 8- Tension in the yofe Mass of box (m)= 25 kg Displacement of box s= am F IN 25kg 4 S am

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Step 2
We have, wok done
Angle between é the direction df fore and
0
ditecfion f displacement
t
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We have, wok done Angle between é the direction df fore and 0 ditecfion f displacement t

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Step 3
Wlork done by Ten sion,
WD= (151(2l cos (o) = (15)(2)(1) = 30 Nm 50T
alork done by qrawity,
Angle between growity force and displacament is q0°
hDFd cos(90) 20.
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Wlork done by Ten sion, WD= (151(2l cos (o) = (15)(2)(1) = 30 Nm 50T alork done by qrawity, Angle between growity force and displacament is q0° hDFd cos(90) 20.

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